Electrical instrument junction box convenient for wiring

Abstract

The utility model relates to the technical field of electrical instrument junction boxes, in particular to an electrical instrument junction box convenient for wiring, which comprises a junction box, a mounting rack, a wiring terminal and a cable guide pipe, the mounting rack is arranged in the junction box, the wiring terminal is in bolted connection with the mounting rack, the cable guide pipe penetrates through the bottom of the junction box, chutes are arranged on the inner walls of two sides of the junction box, and the chutes are communicated with the wiring terminal. Each sliding groove is provided with a limiting rod, a sliding block and a spring, the junction box is provided with two L-shaped movable frames, two clamping blocks and two triangular plates, one ends of the two L-shaped movable frames are welded to the two triangular plates respectively, the other ends of the two L-shaped movable frames are welded to the two clamping blocks respectively, the two clamping blocks abut against the installation frame, a fixed block is welded to the junction box, and the threaded rod penetrates through the fixed block in a threaded mode. The threaded rod is rotationally connected with the linkage plate through the mounting shaft, linkage shafts are arranged on the two sides of the linkage plate, and the two linkage shafts are movably connected with the two triangular plates correspondingly, so that subsequent wiring mounting operation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical instrument junction boxes, in particular to an electrical instrument junction box which is convenient for wiring. Background Art

[0002] The electrical instrument junction box is a facility used for centralized installation, wiring, and protection of electrical instrument equipment. It is usually made of metal or plastic shell. The main functions of the electrical instrument junction box include: centralized wiring: the junction box provides a centralized location for connecting cables, wires and other conductors between instrument equipment to achieve the transmission and distribution of electrical signals; protecting instrument equipment: the junction box can be equipped with fuses, circuit breakers and other protective devices to ensure that the power supply is cut off in time in the event of electrical failure or overload, and to protect the safe operation of instrument equipment; simplifying maintenance: through centralized installation and standardized wiring, the junction box can simplify the maintenance of instrument equipment, improve maintenance efficiency, and reduce the time and cost required for maintenance; saving space: the junction box can concentrate the wiring of multiple instrument equipment in one box, saving installation space, and simplifying equipment layout and management; safety protection: the junction box usually has a certain level of protection, can resist dust, moisture and mechanical shock, provide good environmental protection, and ensure the safe operation of instrument equipment; standardized wiring: the junction box can be designed and manufactured according to standard specifications to meet specific engineering requirements and safety standards, and ensure the reliability and consistency of wiring.

[0003] The electrical instrument junction box is a box for centralized transfer of all the lines of the electrical instrument, and centralized protection of the lines. The inner wall of the existing electrical instrument junction box is installed with corresponding wiring terminals, through which all the lines can be centrally installed and then transferred to other electrical instruments. Usually, when installing the cables on the wiring terminals, the installation operation is performed inside the box. Due to the limited space of the box, it will cause great inconvenience to the operator during installation. Utility Model Content

[0004] The utility model aims to provide an electrical instrument junction box which is convenient for wiring, so as to solve the problem of inconvenience in wiring in the box.

[0005] In order to achieve the above-mentioned purpose, the basic solution provided by the utility model is: an electrical instrument junction box that is easy to wire, including a junction box, a mounting frame, a wiring terminal and a cable guide tube, the mounting frame is in the junction box, the wiring terminal is fixedly connected to the mounting frame, the cable guide tube passes through the bottom of the junction box, and slide grooves are provided on the inner walls on both sides of the junction box, each slide groove is provided with a limit rod, and a slider is slidably passed through the limit rod, each limit rod is movably sleeved with a spring, and the two sliders are respectively fixedly connected to the two sides of the mounting frame, one end of the spring is against the slider, and the other end is against the inner wall of the slide groove, and the junction box is provided with a fixing unit for fixing the mounting frame.

[0006] The principle and beneficial effect of the utility model are that when wiring is required, the fixing unit is moved so that the spring in the compressed state can push the slider along the limit rod, thereby driving the mounting frame to move relatively, so that the wiring terminals and the cable guide tubes are located at the edge of the wiring box, which is convenient for wiring installation.

[0007] Option 2, which is the preferred option of the basic option, the fixed unit includes two L-shaped movable frames, two clamping blocks, two triangular plates and a pushing assembly for pushing the triangular plates, one end of the two L-shaped movable frames is against the top of the junction box, and the other end is against the side of the junction box, one end of the two L-shaped movable frames is fixedly connected to the two triangular plates respectively, the other end of the two L-shaped movable frames is fixedly connected to the two clamping blocks respectively, and the two clamping blocks are against the mounting frame.

[0008] Option three is a preferred option of Option two. The pushing assembly includes a fixed block, a threaded rod, a mounting shaft and a linkage plate. The fixed block is fixedly connected to the junction box. The threaded rod threads through the fixed block. The threaded rod is rotatably connected to the linkage plate through the mounting shaft. Linkage shafts are provided on both sides of the linkage plate. The two linkage shafts are movably connected to the two triangular plates respectively.

[0009] Option 4 is a preferred option of the basic option. The junction box is hinged with a door, and a handle is provided on the door. The door can protect the safety of the line, and the handle facilitates the opening and closing of the door.

[0010] Option five is a preferred option of the basic option. The junction box is provided with two rectangular grooves, each of which is slidably connected with a rectangular block. The two rectangular blocks are respectively connected to two L-shaped movable frames. The rectangular blocks and the rectangular grooves can limit the moving distance of the L-shaped movable frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a structural schematic diagram of an electrical instrument junction box that is convenient for wiring in the utility model;

[0012] Figure 2 It is a longitudinal section schematic diagram of an electrical instrument junction box that is convenient for wiring according to the utility model;

[0013] Figure 3 It is a cross-sectional schematic diagram of an electrical instrument junction box that is convenient for wiring in the utility model;

[0014] Figure 4 It is a cross-sectional schematic diagram of a driving assembly of an electrical instrument junction box that is convenient for wiring in the utility model;

[0015] Figure 5 yes Figure 3 The enlarged view of point A in the middle;

[0016] Figure 6 yes Figure 4 Enlarged view of point B in the middle. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below through specific implementation methods:

[0018] The figure marks in the drawings of the specification include: 1 junction box, 2 box door, 3 handle, 4 mounting frame, 5 terminal, 6 cable guide, 7 slider, 8 limit rod, 9 spring, 10 L-shaped movable frame, 11 rectangular groove, 12 rectangular block, 13 triangle plate, 14 fixed block, 15 threaded rod, 16 mounting shaft, 17 linkage plate, 18 linkage shaft, 19 slide groove, 20 clamping block.

[0019] Example

[0020] like Figures 1 to 6 As shown: an electrical instrument junction box for easy wiring, including a junction box 1, a mounting frame 4, a wiring terminal 5 and a cable guide 6, the mounting frame 4 is at the rear end inside the junction box 1, the wiring terminal 5 is bolted to the mounting frame 4, the cable guide 6 runs through the bottom of the junction box 1, and slide grooves 19 are provided on the inner walls on both sides of the junction box 1, each slide groove 19 is provided with a limit rod 8, the limit rod 8 slides through a slider 7, each limit rod 8 is movably sleeved with a spring 9, the two sliders 7 are respectively welded to the two sides of the mounting frame 4, one end of the spring 9 is against the slider 7, and the other end is against the inner wall of the slide groove 19, the junction box 1 is provided with a fixing unit for fixing the mounting frame 4, the fixing unit includes two L-shaped movable frames 10, two clamping blocks 20, two triangular plates 13 and a pushing component for pushing the triangular plates 13, one end of the two L-shaped movable frames 10 is against the top of the junction box 1 The other end of the two L-shaped movable frames 10 is against the side of the junction box 1, one end of the two L-shaped movable frames 10 is welded to the two triangular plates 13 respectively, the other ends of the two L-shaped movable frames 10 are welded to the two clamping blocks 20 respectively, the two clamping blocks 20 are against the mounting frame 4, the pushing assembly includes a fixed block 14, a threaded rod 15, a mounting shaft 16 and a linkage plate 17, the fixed block 14 is welded to the junction box 1, the threaded rod 15 threadedly penetrates the fixed block 14, the threaded rod 15 is rotatably connected to the linkage plate 17 through the mounting shaft 16, linkage shafts 18 are provided on both sides of the linkage plate 17, the two linkage shafts 18 are movably connected to the two triangular plates 13 respectively, the junction box 1 is hinged with a box door 2, the box door 2 is welded with a handle 3, the junction box 1 is provided with two rectangular grooves 11, each rectangular groove 11 is slidably connected with a rectangular block 12, and the two rectangular blocks 12 are respectively welded to the two L-shaped movable frames 10.

[0021] The implementation method of this embodiment is as follows: when wiring is required, the handle 3 is pulled to drive the box door 2 to flip open, and then the threaded rod 15 is rotated to make the installation shaft 16 push the linkage plate 17 to move relatively, driving the linkage shaft 18 to move, thereby pushing the two triangular plates 13 to move, and making the two L-shaped movable frames 10 and the block 20 move outward, thereby releasing the fixation of the installation frame 4. Since the spring 9 is in a compressed state, it will push the two sliders 7 to move on the limit rod 8, thereby driving the installation frame 4, the wiring terminal 5 and the cable guide 6 to move to the edge of the wiring box 1, and the wiring installation of the line is carried out through the wiring terminal 5.

[0022] After the wiring is completed, the operator pushes the mounting frame 4 to the rear end of the wiring box 1, thereby driving the two sliders 7 to compress the spring 9, and reversely rotating the threaded rod 15, so that the mounting shaft 16 drives the linkage plate 17 and the linkage shaft 18 to move relative to each other, thereby driving the two triangular plates 13 to move, so that the two L-shaped movable frames 10 and the block 20 move inward, so that the block 20 is against the mounting frame 4, thereby fixing the mounting frame 4, and finally closing the box door 2.

[0023] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. An electrical instrument junction box that is convenient for wiring, characterized in that: The invention comprises a junction box (1), a mounting frame (4), a wiring terminal (5) and a cable guide tube (6), wherein the mounting frame (4) is inside the junction box (1), the wiring terminal (5) is fixedly connected to the mounting frame (4), the cable guide tube (6) passes through the bottom of the junction box (1), and the inner walls on both sides of the junction box (1) are provided with slide grooves (19), each of the slide grooves (19) is provided with a limit rod (8), the limit rod (8) is slidably connected to a slider (7), each of the limit rods (8) is movably sleeved with a spring (9), the two sliders (7) are respectively fixedly connected to the two sides of the mounting frame (4), one end of the spring (9) is against the slider (7), and the other end is against the inner wall of the slide groove (19), and the junction box (1) is provided with a fixing unit for fixing the mounting frame (4).

2. An electrical instrument junction box for easy wiring according to claim 1, characterized in that The fixing unit comprises two L-shaped movable frames (10), two clamping blocks (20), two triangular plates (13) and a pushing assembly for pushing the triangular plates (13); one end of the two L-shaped movable frames (10) abuts against the top of the junction box (1), and the other end abuts against the side of the junction box (1); one end of the two L-shaped movable frames (10) is fixedly connected to the two triangular plates (13), respectively; the other end of the two L-shaped movable frames (10) is fixedly connected to the two clamping blocks (20), respectively; and the two clamping blocks (20) abut against the mounting frame (4).

3. The electrical instrument junction box for easy wiring according to claim 2, characterized in that: The pushing assembly comprises a fixed block (14), a threaded rod (15), a mounting shaft (16) and a linkage plate (17); the fixed block (14) is fixedly connected to the junction box (1); the threaded rod (15) is threadedly passed through the fixed block (14); the threaded rod (15) is rotatably connected to the linkage plate (17) via the mounting shaft (16); linkage shafts (18) are provided on both sides of the linkage plate (17); and the two linkage shafts (18) are movably connected to the two triangular plates (13) respectively.

4. The electrical instrument junction box for easy wiring according to claim 1, characterized in that: The junction box (1) is hingedly provided with a box door (2), and the box door (2) is provided with a handle (3).

5. The electrical instrument junction box for easy wiring according to claim 1, characterized in that The junction box (1) is provided with two rectangular grooves (11), each of the rectangular grooves (11) is slidably connected with a rectangular block (12), and the two rectangular blocks (12) are respectively fixedly connected to two L-shaped movable frames (10).

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